I Professionally Eradicate Hogs & Coyotes and I use a 5.56mm AR Rifle for the majority of the 197 Hogs & 28 Coyotes I have taken in a years time I have a 16" AR 300 bo and it don't kill any better than the 5.56 mm and I have taken Hogs & Coyotes beyond 300 yards with 5.56 mm I have even taken hogs & Coyotes with a .22 Lr Ruger 10-22 rifle a XDM osp 9MM Pistol & Ruger PC 9 Carbine Rifle. as well as 6.5 Grendel AR, .224 Valkyrie AR 5.56 mm AR 15 Pistol, They all are equally good at hunting small and large game.
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These 3 hogs were killed with one shot 5.56 62 grain m855 green tip they lined up on a bait pile in the morning I placed my cross-hair 1/4 below the pig ear closest to me from my 21' Ladder stand 60 yards away from my bait pile and I got 3 pigs with one shot that 5.56mm went thru all 3 pigs skulls and exited the 3rd. ONE-SHOT THREE KILLS and I went on to make several one-shot two kills
This is a YouTube Link to photo show of just some of the Hogs and Coyotes I Killed with 5.56 mm. & some were with 22 LR & 9MM,.300BO 6.5 Grendel,.224 Valkyrie .